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Gallery: Hidden Rainbows in Ordinary Rocks

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Ocean Jasper

Bernardo Cesare Ocean Jasper

(Image credit: Copyright: Bernardo Cesare, micROCKScopica.org)

Another view of Madagascar Ocean Jasper.

Microfolds

Bernardo Cesare Phyllite

(Image credit: Copyright: Bernardo Cesare, micROCKScopica.org)

Microfolds in a metamorphic rock called phyllite from the eastern Alps of Italy.

Fossil Find

Bernardo Cesare Nummulite

(Image credit: Copyright: Bernardo Cesare, micROCKScopica.org)

A limestone from Veneto, Italy holds a secret: A coin-shaped fossil, the remains of a marine protozoan called a Nummulite. These fossils are common in rocks around the Mediterranean.